frmlogin.frm

VB医药保险品查询系统

VERSION 5.00
Begin VB.Form frmlogin 
   BorderStyle     =   0  'None
   Caption         =   "登录"
   ClientHeight    =   7680
   ClientLeft      =   0
   ClientTop       =   -105
   ClientWidth     =   9555
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   7680
   ScaleWidth      =   9555
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.PictureBox Picture1 
      Height          =   8535
      Left            =   -120
      Picture         =   "frmlogin.frx":0000
      ScaleHeight     =   8475
      ScaleWidth      =   10155
      TabIndex        =   0
      Top             =   0
      Width           =   10215
      Begin VB.TextBox Txtpwd 
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   6000
         PasswordChar    =   "*"
         TabIndex        =   2
         Top             =   4200
         Width           =   2295
      End
      Begin VB.TextBox Txtuser 
         Height          =   375
         Left            =   6000
         TabIndex        =   1
         Top             =   3240
         Width           =   2295
      End
      Begin VB.Label Label1 
         BackStyle       =   0  'Transparent
         Height          =   495
         Left            =   9120
         MouseIcon       =   "frmlogin.frx":FBAA
         MousePointer    =   99  'Custom
         TabIndex        =   6
         Top             =   240
         Width           =   495
      End
      Begin VB.Label Lblzhucu 
         BackStyle       =   0  'Transparent
         Height          =   615
         Left            =   6360
         MouseIcon       =   "frmlogin.frx":FCFC
         MousePointer    =   99  'Custom
         TabIndex        =   5
         Top             =   6720
         Width           =   615
      End
      Begin VB.Label Lblquxiao 
         BackStyle       =   0  'Transparent
         Height          =   735
         Left            =   7200
         MouseIcon       =   "frmlogin.frx":FE4E
         MousePointer    =   99  'Custom
         TabIndex        =   4
         Top             =   6480
         Width           =   855
      End
      Begin VB.Label lbldenglu 
         BackStyle       =   0  'Transparent
         Height          =   975
         Left            =   8400
         MouseIcon       =   "frmlogin.frx":FFA0
         MousePointer    =   99  'Custom
         TabIndex        =   3
         Top             =   6240
         Width           =   975
      End
   End
End
Attribute VB_Name = "frmlogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Download by http://www.codefans.net
Option Explicit
Dim cnt As Integer                     '记录确定次数
Private Declare Function ReleaseCapture Lib "user32" () As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Long) As Long
Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Private Declare Function CombineRgn Lib "gdi32" (ByVal hDestRgn As Long, ByVal hSrcRgn1 As Long, ByVal hSrcRgn2 As Long, ByVal nCombineMode As Long) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function CreateRectRgn Lib "gdi32" (ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long) As Long
Private Declare Function SetWindowRgn Lib "user32" (ByVal hwnd As Long, ByVal hRgn As Long, ByVal bRedraw As Boolean) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Const SWP_NOSIZE = &H1
Private Const SWP_NOMOVE = &H2
Private Const HWND_TOPMOST = -1
Private Const HWND_NOTOPMOST = -2
Private Const RGN_XOR = 3
Private Const HTCAPTION = 2
Private Const WM_NCLBUTTONDOWN = &HA1
Private Type RECT
  left As Long
  top As Long
  right As Long
  bottom As Long
End Type
Dim Xs As Long

Function CreatePictureform()
  On Error Resume Next
  Dim hRgn As Long, hRect As RECT, hTempRgn As Long, tColour As Long, OldScaleMode As Integer, AbsoluteX As Long, AbsoluteY As Long
  Dim Color As Long, Hrect1 As RECT
  Dim xx As Long, yy As Long
  Dim rtn As Long
  Me.Picture = Me.Picture1
  Me.Width = Me.Picture1.Width
  Me.Height = Me.Picture1.Height
  OldScaleMode = Me.ScaleMode
  Me.AutoRedraw = True
  Me.ScaleMode = 3
  Color = vbWhite
  rtn = GetWindowRect(Me.hwnd, hRect)
  hRgn = CreateRectRgn(0, 0, hRect.right, hRect.bottom)
  For AbsoluteX = 0 To Me.ScaleWidth
    For AbsoluteY = 0 To Me.ScaleHeight
      tColour = GetPixel(Me.hdc, AbsoluteX, AbsoluteY)
      If tColour = Color Then
        hTempRgn = CreateRectRgn(AbsoluteX, AbsoluteY, AbsoluteX + 1, AbsoluteY + 1)
        rtn = CombineRgn(hRgn, hRgn, hTempRgn, RGN_XOR)
        rtn = DeleteObject(hTempRgn)
      End If
    Next AbsoluteY
  Next AbsoluteX
  rtn = SetWindowRgn(Me.hwnd, hRgn, True)
  DeleteObject hRgn
  Me.ScaleMode = OldScaleMode
  If Err Then
    MsgBox Error, 16, Err
  End If
End Function

Private Sub Picture1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then
    Dim ReturnVal As Long
    Xs = ReleaseCapture()
    ReturnVal = SendMessage(hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0)
  End If
End Sub
Private Sub Form_Load()
Dim connectionstring As String
connectionstring = "provider=Microsoft.Jet.oledb.4.0;" & _
                   "Data Source=medic.mdb"
conn.Open connectionstring
cnt = 0
End Sub

Private Sub lbldenglu_Click()
Dim sql As String
Dim rs_login As New ADODB.Recordset
If Trim(Txtuser.Text) = "" Then            '判断输入的用户名是否为空
   MsgBox "没有这个用户", vbOKOnly + vbExclamation, ""
   Txtuser.SetFocus
Else
   sql = "select * from 系统管理 where 用户名='" & Txtuser.Text & "'"
   rs_login.Open sql, conn, adOpenKeyset, adLockPessimistic
   If rs_login.EOF = True Then
      MsgBox "没有这个用户", vbOKOnly + vbExclamation, ""
      Txtuser.SetFocus
   Else                                  '检验密码是否正确
      If Trim(rs_login.Fields(1)) = Trim(Txtpwd.Text) And Trim(rs_login.Fields(2)) = "system" Then
          userID = Txtuser.Text
          userpow = rs_login.Fields(2)
          rs_login.Close
          Unload Me
          Main.Show
      ElseIf Trim(rs_login.Fields(1)) = Trim(Txtpwd.Text) And Trim(rs_login.Fields(2)) = "guest" Then
          userpow = rs_login.Fields(2)
          rs_login.Close
          Unload Me
          Main.Show
          Main.Menu_Edit.Enabled = False
          Main.Menu_ManageAdd.Enabled = False
      Else
         MsgBox "密码不正确", vbOKOnly + vbExclamation, ""
         Txtpwd.SetFocus
      End If
   End If
End If
cnt = cnt + 1
If cnt = 3 Then
   Unload Me
End If
Exit Sub
End Sub

Private Sub Txtpwd_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
     Dim sql As String
     Dim rs_login As New ADODB.Recordset
     If Trim(Txtuser.Text) = "" Then            '判断输入的用户名是否为空
          MsgBox "没有这个用户", vbOKOnly + vbExclamation, ""
          Txtuser.SetFocus
     Else
          sql = "select * from 系统管理 where 用户名='" & Txtuser.Text & "'"
          rs_login.Open sql, conn, adOpenKeyset, adLockPessimistic
         If rs_login.EOF = True Then
             MsgBox "没有这个用户", vbOKOnly + vbExclamation, ""
             Txtuser.SetFocus
    Else                                  '检验密码是否正确
        If Trim(rs_login.Fields(1)) = Trim(Txtpwd.Text) And Trim(rs_login.Fields(2)) = "system" Then
             userID = Txtuser.Text
             userpow = rs_login.Fields(2)
             rs_login.Close
             Unload Me
             Main.Show
        ElseIf Trim(rs_login.Fields(1)) = Trim(Txtpwd.Text) And Trim(rs_login.Fields(2)) = "guest" Then
            userpow = rs_login.Fields(2)
            rs_login.Close
            Unload Me
            Main.Show
            Main.Menu_Edit.Enabled = False
            Main.Menu_ManageAdd.Enabled = False
       Else
           MsgBox "密码不正确", vbOKOnly + vbExclamation, ""
           Txtpwd.SetFocus
       End If
       End If
    End If
    cnt = cnt + 1
    If cnt = 3 Then
        Unload Me
    End If
End If
Exit Sub
End Sub


Private Sub Lblquxiao_Click()
End
End Sub

Private Sub Lblzhucu_Click()
Unload Me
frmadduser.Show
End Sub

Private Sub Label1_Click()
End
End Sub